That’s a total of 28 starts, or just over 17% of the Phillies regular season games, that were made by pitchers who delivered a collective 6-18 record. Billingsley’s awful 5.84 ERA was the lowest of the group.

We know that of the following eight pitchers who are receiving grades, one is already off the roster.

At least two more, probably at least three, will definitely not be a part of the 2016 starting rotation. That leaves four of these pitchers with a very real shot at being a part of the rotation next season.

So let's work through the eight 2015 Phillies primary starting pitchers, and hand out their individual grades for the season:

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